GBalakrishna replied on github web page:

platform/linux-dpdk/test/wrapper-script.sh
line 5
@@ -1,6 +1,7 @@
 #!/bin/bash
 
-export ODP_PLATFORM_PARAMS=${ODP_PLATFORM_PARAMS:--n 4 --vdev "crypto_openssl"}
+export ODP_PLATFORM_PARAMS=${ODP_PLATFORM_PARAMS:--n 4 "--vdev \
+"crypto_openssl" --vdev "crypto_null""}


Comment:
yes it works.

> GBalakrishna wrote
> it is set in get_crypto_dev()


>> GBalakrishna wrote
>> it is set in get_crypto_dev()


>>> GBalakrishna wrote
>>> it is set in get_crypto_dev(): auth_xform->auth.digest_length = 
>>> cap->sym.auth.digest_size.min


>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>> All test updates should go in separate commit.


>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>> Name of the test suggests, that test is using truncated hmac, but then 
>>>>> you specify full auth_digest_len.


>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>> and this


>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>> Will it work w/o crypto_null driver?


>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>> `res` does not quite follow `crypto_chain_order`, does it? Please 
>>>>>>>> rename to 'order' or smth. like that.


>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>> Push this logic to `set_chain_order`


>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>> Make it return `crypto_chain_order`.


>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>> No need to keep this under `if (iv_length)` 


>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>> Liked this typo. It shows that the code never worked as expected.


>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>> same issue here.


>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>> Same issue here.


>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>> `auth.digest_length` should be set for MD5_96 here, but not for 
>>>>>>>>>>>>>>> MD5_HMAC.


>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>> It's really not a problem at this moment, this can be fixed 
>>>>>>>>>>>>>>>> later.


>>>>>>>>>>>>>>>>> GBalakrishna wrote
>>>>>>>>>>>>>>>>> oke I see. I will make the update in the next version.


>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>> both = Encrypt-then-MAC and MAC-cleartext


>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>> Could you please add tests cases rather than modify 
>>>>>>>>>>>>>>>>>>> existing ones?


>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>> Implementation should not set digest len for cases other 
>>>>>>>>>>>>>>>>>>>> than several deprecated auth algos.


>>>>>>>>>>>>>>>>>>>>> GBalakrishna wrote
>>>>>>>>>>>>>>>>>>>>>  setting digest_length is moved to get_crypto_dev(), 
>>>>>>>>>>>>>>>>>>>>> where it reads from PMD and set the min digest length if 
>>>>>>>>>>>>>>>>>>>>> application doesn't set it. Reagrding the QAT, I need to 
>>>>>>>>>>>>>>>>>>>>> look at it and understand. may be as a separate PR.


>>>>>>>>>>>>>>>>>>>>>> GBalakrishna wrote
>>>>>>>>>>>>>>>>>>>>>> I have updated the tests so that it works with both the 
>>>>>>>>>>>>>>>>>>>>>> platforms linux-generci & linux-dpdk.


>>>>>>>>>>>>>>>>>>>>>>> GBalakrishna wrote
>>>>>>>>>>>>>>>>>>>>>>> what do you mean by testing both combinations ?. We are 
>>>>>>>>>>>>>>>>>>>>>>> testing both the combinations ENCODE & DECODE. It's the 
>>>>>>>>>>>>>>>>>>>>>>> default value we are changing it.


>>>>>>>>>>>>>>>>>>>>>>>> Bill Fischofer(Bill-Fischofer-Linaro) wrote:
>>>>>>>>>>>>>>>>>>>>>>>> Checkpatch flags this line:
>>>>>>>>>>>>>>>>>>>>>>>> ```
>>>>>>>>>>>>>>>>>>>>>>>> WARNING: line over 80 characters
>>>>>>>>>>>>>>>>>>>>>>>> #363: FILE: 
>>>>>>>>>>>>>>>>>>>>>>>> platform/linux-dpdk/test/wrapper-script.sh:3:
>>>>>>>>>>>>>>>>>>>>>>>> +export ODP_PLATFORM_PARAMS=${ODP_PLATFORM_PARAMS:--n 
>>>>>>>>>>>>>>>>>>>>>>>> 4 --vdev "crypto_openssl" --vdev "crypto_null"}
>>>>>>>>>>>>>>>>>>>>>>>> total: 0 errors, 1 warnings, 0 checks, 530 lines 
>>>>>>>>>>>>>>>>>>>>>>>> checked
>>>>>>>>>>>>>>>>>>>>>>>> NOTE: Ignored message types: AVOID_EXTERNS BIT_MACRO 
>>>>>>>>>>>>>>>>>>>>>>>> COMPARISON_TO_NULL DEPRECATED_VARIABLE NEW_TYPEDEFS 
>>>>>>>>>>>>>>>>>>>>>>>> PREFER_PRINTF PREFER_SCANF SPLIT_STRING 
>>>>>>>>>>>>>>>>>>>>>>>> SSCANF_TO_KSTRTO VOLATILE
>>>>>>>>>>>>>>>>>>>>>>>> 0001-linux-dpdk-crypto-support-for-cipher-auth-only-featu.patch
>>>>>>>>>>>>>>>>>>>>>>>>  has style problems, please review.
>>>>>>>>>>>>>>>>>>>>>>>> ```


>>>>>>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>>>>>>> I suggest to factor out cipher and auth checks as 
>>>>>>>>>>>>>>>>>>>>>>>>> separate functions and apply them only if 
>>>>>>>>>>>>>>>>>>>>>>>>> corresponding algorithm is not NULL. Code would be 
>>>>>>>>>>>>>>>>>>>>>>>>> simpler.


>>>>>>>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>> For deprecated MD5_96 (and SHA256_128/AES128_GCM) 
>>>>>>>>>>>>>>>>>>>>>>>>>> application won't set `auth.digest_len`, so you have 
>>>>>>>>>>>>>>>>>>>>>>>>>> to enforce 12 and 16 bytes digest len. For 
>>>>>>>>>>>>>>>>>>>>>>>>>> MD5_HMAC/SHA256_HMAC (and others) application will 
>>>>>>>>>>>>>>>>>>>>>>>>>> set `auth.digest_len`.
>>>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>>>> IIRC QAT driver should support truncated digests 
>>>>>>>>>>>>>>>>>>>>>>>>>> out-of-box. Also you can try expanding pmd_openssl 
>>>>>>>>>>>>>>>>>>>>>>>>>> to support truncated lengths, it should not be very 
>>>>>>>>>>>>>>>>>>>>>>>>>> complicated. Also note, that full-length HMAC won't 
>>>>>>>>>>>>>>>>>>>>>>>>>> be useful for IPsec.


>>>>>>>>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>>> "Do not change tests". See my previous comment.


>>>>>>>>>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>>>> Theoretically we'd better be testing both 
>>>>>>>>>>>>>>>>>>>>>>>>>>>> combinations. The problem with test changes in 
>>>>>>>>>>>>>>>>>>>>>>>>>>>> your commit is that you change tests rather than 
>>>>>>>>>>>>>>>>>>>>>>>>>>>> expand them. Can you import tests from #379?


>>>>>>>>>>>>>>>>>>>>>>>>>>>>> GBalakrishna wrote
>>>>>>>>>>>>>>>>>>>>>>>>>>>>> not sure what do u mean here.


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> GBalakrishna wrote
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Not sure if I have fallowed. I introduced Chain 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> order because dpdk PMD's doesn't have support 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> for combination of NULL + Valid algo. So 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> linux-dpdk implementation converts the NULL also 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> to chain order as if it cipher only & auth only.


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> GBalakrishna wrote
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> my understanding of auth_cipher_text = true 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> means do encode then authenticate. and when it 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> is applied together with if 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (ODP_CRYPTO_OP_ENCODE == param->op) sets the 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> "entry->do_cipher_first"  to true by default 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> and if the param->op == DECODE it sets the 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !auth_cipher_text. I felt this is more easier 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> for understanding. 


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> GBalakrishna wrote
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> openssl PMD in 17.02 supports the digest 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> length to be min 16 bytes. But I have now 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> removed the setting digest_lengths from here 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> as it sets it from the application.


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> why?


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> `non tangere testos meos`


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I'd suggest to use ALG_NULL checks 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> directly, rather than introduce chain order.


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Dmitry Eremin-Solenikov(lumag) wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> This is wrong. MD5_96 should use 12-byte 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> digest length. MD5_HMAC should use digest 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> length specified by application.


https://github.com/Linaro/odp/pull/385#discussion_r161794540
updated_at 2018-01-16 15:37:37

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